Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Category
Antropogenic (Man Made Glass Byproduct)
Browse antropogenic (man made glass byproduct) specimens identified by the Rock Identifier community.
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Quartzite
Quartzite (primarily SiO2)
metamorphic
Quartz (Milky/Common)
Silicon Dioxide (SiO2)
mineral
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Quartzite Pebble
Quartzite (SiO2)
metamorphic
Quartzite
Quartzite (SiO2)
metamorphic
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Chert (Flint)
Chert (Microcrystalline Quartz, SiO2)
sedimentary
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz (Clear to Smokey)
Silicon Dioxide (SiO2)
mineral
Quartz (Milky or Druzy variety)
Silicon Dioxide (SiO2)
mineral
Quartzite
Metamorphosed Quartz Sandstone (SiO2)
metamorphic
Quartz (Citrine or Iron-stained variety)
Silicon Dioxide (SiO2)
mineral
Quartz (Iron-Stained)
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Quartz (Silicon Dioxide - SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Clear/White Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Milky Quartz with Pyrite inclusions
Silicon Dioxide (SiO2) with Iron Disulfide (FeS2)
mineral
Milky Quartz (with Iron Oxide staining)
Silicon Dioxide (SiO2)
mineral
Quartz Geode fragment
Crystalline Silicon Dioxide (SiO2)
mineral
Chert (Flint)
Microcrystalline Quartz (SiO2)
sedimentary
Chert (Holey Stone)
Microcrystalline Quartz (SiO2)
sedimentary
Red Jasper
Silicate (SiO2 with Hematite impurities)
sedimentary
Olivine (Peridot)
Magnesium Iron Silicate (Mg, Fe)2SiO4
mineral
Peridot (Olivine)
Magnesium Iron Silicate (Mg, Fe)2SiO4
mineral
Peridot (Olivine)
(Mg,Fe)2SiO4 (Magnesium Iron Silicate)
mineral
Quartzite
Metamorphic Quartzite (SiO2)
metamorphic
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Quartz (Gray/Smoky Variety)
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Rose Quartz
Silicon Dioxide (SiO2) with trace Titanium, Manganese, or Iron
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Quartz (Rose or Milky)
Silicon Dioxide (SiO2)
mineral
Milky Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Pumice
Pumice (a highly vesicular extrusive igneous rock, primarily amorphous silica)
igneous
Quartzite
Silica (SiO2)
metamorphic
Quartzite Cobble
Quartzite (chemically SiO2)
metamorphic
Obsidian
Obsidian (Volcanic Glass, SiO2)
igneous
Quartzite
Quartzite (primarily SiO2)
metamorphic
Quartzite
Metamorphosed Quartz Sandstone (SiO2)
metamorphic